Random dweets | Dwitter

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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kodierer

remix of d/7941 by u/kodierer

function u(t) {

for(i=0, i <10, i++){
c.width=1920 // clear the
x.strokeText ('Martin', 800, 600, 8000*i)}

May 4 2018 4:24 AM UTC

}// 90/140

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monstrousmoonshine

function u(t) {

c.width*=1,x.globalAlpha=.5;for(i=41;i--;x.stroke())p=300/C(v=.3*t+.1571*i),q=p*S(v),x.beginPath(),x.arc(960+p,540-q,Math.sqrt(p*p+q*q),0,7)

Jul 25 2019 3:40 PM UTC

}// 140/140

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Lemniscate

u/donbright

#math
u/KilledByAPixel

👍

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Pascal

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐢𨡬𭑲𚀱𜁰𮀩𨱯𫡴𬡡𬱴𚀹𞐩𪑮𭡥𬡴𚀩𘠻𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀱𞐲𜀬𜐰𞀰𚐻𩡯𬠨𪠽𜡥𜰻𪠭𛐾𜀻𚑲🐲𜀰𛰨𦠽𚁔𚁪𚠮𝠱𚐭𭀯𜠰𚐥𜐩𛁸𛡣𫁥𨑲𤡥𨱴𚁃𚁪𚐪𬠫𞐶𜀬𤰨𪠪𪠩𚡲𚰵𝀰𛀶𜀯𦠪𚠰𛠵𛀶𜀯𦠪𚠰𛠵𚐠`.replace(/u../g,'')))

Dec 13 2020 1:55 PM UTC

}// 131/140

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Liquid cow #metaballs

u/magna

Wow!

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arthyn

remix of d/19885 by u/arthyn

function u(t) {

f=(X,Y,n=99)=>Y*Y>n?n:f(X/Y/9+1,Y*Y-X*X,n+40);for(i=2e3;i--;x.fillRect(i,t*60,1,1))x.fillStyle=`hsl(${K=f(i/2e3,t/45)},99%,${S(K/9)*90}%`

Sep 10 2020 1:00 AM UTC

}// 137/140

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phallus

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KilledByAPixel

remix of d/14879 by u/KilledByAPixel

function u(t) {

for(i=144;q=(8+t>>3)*i--;x.fillRect(i%16*120+T(S),(i>>4)*120+T(C),2,2))t%24<1?c.width|=r=n=>S(q**n)*9|0:T=f=>5*r(4)*f(r(3)*t)+9*f(r(2)*t)+60

Jul 3 2019 3:38 PM UTC

}// 140/140

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Spirograph Generator #uncompressed #multidweet

u/KilledByAPixel

Creates an endless supply of spirographic designs, starts new patterns every 24 seconds.
u/KilledByAPixel

Full explanation on my blog: http://frankforce.com/?p=6269
u/poetaster

It's a marvel. I think it'll take me a month to figure out! Nice.

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Jezza

remix of d/13412 by u/rodrigo.siqueira

function u(t) {

t||x.translate(960,540);if(t<5){
x.globalAlpha=.1
x.strokeRect(0,0,959,539)
x.rotate(Math.PI/3)
x.drawImage(c,0,0,1440,540)
}

Apr 25 2019 6:43 AM UTC

}// 125/140

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Agnes

remix of d/8422 by u/Agnes

function u(t) {

i=new Image();d=[...c.toDataURL()];for(j=1+~~t*100;j--;d[~~(Math.random()*d.length)]="a");i.src=d.join("");i.onload=()=>x.drawImage(i,0,0);

Aug 10 2018 9:56 AM UTC

}// 139/140

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Re-make of d/8422 with the "u" variable re-named "d" (having a variable named "u" breaks your dweet in most views)... interestingly, this violates the new cross-domain content policy!

u/BirdsTweetCodersDweet

Could it be the toDataURL() ?
u/Agnes

I think we realised it's not actually the cross-domain policy breaking it but something else. The console errors are when you try to load corrupted PNG data, which this produces pretty often.

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katkip

remix of d/13237 by u/katkip

function u(t) {

f=x=>C(x/3.9)*S(x/3)/3;t||(X=Y=s=4);for(i=99;i--;)x.fillRect(960+X*s+f(i/99)*159,50+Y*s+f(i/99)*159,2,2),Y+=f(X),X+=f(Y)

Apr 14 2019 3:51 PM UTC

}// 120/140

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jonathan_b

remix of d/4243 by u/jonathan_b

function u(t) {

c.width|=s=520;q=30;for(i=0;i<s*4;)for(j=0;j<12;)x.fillStyle=R(j*q,j,s/C(i),.3),x.fillRect(900+s*C(++i)*C(T(t/++j)+j++/j*i*j),s+s*S(i),q,q)

Dec 28 2017 6:16 PM UTC

}// 139/140

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lionleaf

remix of d/9123 by u/Xen

function u(t) {

for(Z=i=1e3;i--;x.fillStyle=`hsla(${t*9},99%,40%,.01)`)
x.fillRect(Z+2*Z*C(t*i),500+Z*S(t-i),9,i),x.rotate(T(t))

Aug 5 2018 7:18 PM UTC

}// 112/140

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u/katkip

#sun too.
u/donbright

when the color changes its really cool looking